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Low-energy scattering of the (D*(D)over-bar*)(+/-) system and the resonancelike structure Z(c)(4025)
CLQCD Collaboration
2015
发表期刊PHYSICAL REVIEW D
卷号92期号:5页码:54507
文章类型Article
摘要In this paper, low-energy scattering of the (D*(D) over bar*)(+/-) meson system is studied within Luscher's finite-size formalism using N-f = 2 twisted-mass gauge field configurations. With three different pion mass values, the s-wave threshold scattering parameters-namely the scattering length a(0) and the effective range r(0)-are extracted in the J(PC) = 1(+-) channel. Our results indicate that, in this particular channel, the interaction between the two vector charmed mesons is weakly repulsive in nature and hence it does not support the possibility of a shallow bound state for the two mesons, at least for the pion mass values being studied. However, these results might suffer from undetermined systematic errors due to low-lying states ignored in this exploratory study. Still, it provides some useful information on the nature of the newly discovered resonance-like structure Z(c)(4025) observed in various experiments.
学科领域Astronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.92.054507
收录类别SCI
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
WOS记录号WOS:000361669800004
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被引频次:11[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/228699
专题理论物理室
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CLQCD Collaboration. Low-energy scattering of the (D*(D)over-bar*)(+/-) system and the resonancelike structure Z(c)(4025)[J]. PHYSICAL REVIEW D,2015,92(5):54507.
APA CLQCD Collaboration.(2015).Low-energy scattering of the (D*(D)over-bar*)(+/-) system and the resonancelike structure Z(c)(4025).PHYSICAL REVIEW D,92(5),54507.
MLA CLQCD Collaboration."Low-energy scattering of the (D*(D)over-bar*)(+/-) system and the resonancelike structure Z(c)(4025)".PHYSICAL REVIEW D 92.5(2015):54507.
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